USWDS

A design system from The United States federal government.

Salesforce Lightning

A design system that helps designers and developers build accessible, consistent enterprise product experiences.

Polaris

A design system by Shopify. Tools to help teams build better products.

Paste

A design system that provides a consistent user experience across all Twilio digital products.

Mailchimp Pattern Library

A design system that includes design assets, code repositories, media kits, slideshow elements, and other templates.

Forma 36

A design system that provides a consistent design language for Contentful products.

Comet Scalable Design System

A design system that provides a scalable design solution for Discovery Education.

Carbon Design System

A design system by IBM that encompasses every digital experience imaginable

Atlassian Design System

A design system that includes guidelines, components, and tools to help teams build better products.

The Design System Guide

Free essential resources to set up design system by Romina Kavcic

Apple HIG

The HIG contains guidance and best practices that can help you design a great experience for any Apple platform.

Material Design 3

Material 3 is the latest version of Google’s open-source design system.

Fluent 2

Latest design system from Microsoft, Fluent 2 boasts sweeping changes across-the-board to ensure frictionless communication throughout the system.

Audi

Comprehensive design guides from UI, UX to branding from Audi.

Ant Design 5.0

Help designers/developers building beautiful products more flexible and working with happiness

Intuit Quickbooks

Intuit teams build design foundations that last which QBDS